Latest book Aptitude Question SOLUTION: a friend has trouble simplifing 20-(-38).Explain how to solve this problem

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Previous Question: How many gallons of 40% acid solution must be mixed with 30 gallons of 16% solution to obtain solution of 30% acid? Next Question: Here is my problem: Find two consecutive numbers whose sum is 30 and whose product is 225. I can figure out the answer (15 and 15) but can't figure out how to put it into a

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a friend has trouble simplifing 20-(-38).Explain how to solve this problem: Asked In book (9 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: How many gallons of 40% acid solution must be mixed with 30 gallons of 16% solution to obtain solution of 30% acid? Next Question: Here is my problem: Find two consecutive numbers whose sum is 30 and whose product is 225. I can figure out the answer (15 and 15) but can't figure out how to put it into a

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